Fence-post mold.



o. BAKER. FENCE POST MOLD. APPLICATION FILED DBO. 4, 1903.

1,103,247. Patented July 14,1914,

WITNESSES: v OR: g

THE NORRIS PETERS c0" PHOTv-LITHQ. WASHINGmN. D, C.

BERT c. BAKER, or ros'ronrA,

OF ONE-HALF TO ASA M.- SMIT'H, OF FRAIBIE DEFOT, Oil-I10,

EARL SCOTT SMITH, OF TOLEDO, OHIO.

01-110, ASSIGNOR, er manor AND ransnn ASSIGNMENTS;

AND ONE-HALF TO FENOEQPOST MOLD.

Specification of Letters Patent.

Patented Julyld, 191.4.

Application filed December 4, 1909. Serial No. 531,311.

To all whom it may concern:

Be it known that I, BERT G. BAKER, a citizen of the United States,residing at Fostoria, in the county of Seneca and State of Ohio, haveinvented certain new and useful Improvements in. Fence-Post Molds; and Ido declare the following to be a full, clear, and exact description ofthe invention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to the letters and figures of referencemarked thereon, which form a part of this specification.

My invention relates to an apparatus for the manufacture of concretefence-posts, and its object is to rovide a cheap, simple and effectivedevice for the molding of several of such posts simultaneously, and forthe manufacture of large numbers of posts with the use of comparativelyfew molds.

I attain these objects by means of the devices, construction andarrangement of parts hereinafter described, and shown and illustrated inthe accompanying drawings, in which- Figure 1 is a perspective view ofmy apparatus, with some of the molds removed and with one of the moldsbroken away, and Fig. 2 a perspective View, on an enlarged scale, of oneof the sheet metal molds hereinafter referred to, detached.

In the drawings, a horizontal rectangular frame is composed ofend-pieces 1 and sidepieces 2-3, the frame being supported at eachcorner by legs 4, suitably braced in connection with the frame, as at 5.

6-6 are trough-like sheet metal molds tapering regularly from one end tothe other and of such internal form in cross section as to give thearticle molded therein a T- shape, so that the post or article formed inthe mold shall have a comparatively broad flat side, the opposite sidebeing provided with a heavy tapering rib. The external form of the postto be molded will be obvious from the internal form of the mold, asillustrated in Fig. 2. The taper of the molds is such that when twomolds are placed side by side with the broad end of one in the sameplane with the narrow end of the other, the two molds, at their uppermargins, will present substantially a rec- 'large and tangular outline.Any number of pairs of these molds disposed with their upper margins andtheir ends in corresponding planes will, in like manner, preserve therectangular form, as illustrated in Fig. 1. The inner side of each-ofthe end pieces 1 is provided with lugs 7, adapted for the reception andsupport of the ends of the horizontal flanges 6 of the sheet metal molds6, these lugs being designed to receive in alternation the small ends ofthe neighboring molds. When the frame is filled with the sheet metalmolds thus arranged, it presents the appearance of a table having anunbroken upper surface of deep, longitudinal, tapered corrugations. Thesoft fresh concrete may be dumped and spread upon the top of the tablethus prepared. The concrete being now stroked with a straight edge, themass will present a smooth upper surface.

Owing to the length and flexibility of the sides of the trough-likemolds, the weight of the semi-liquid concrete tends to cause the moldsto spread near their middle. To overcome this difficulty and tofacilitate the removal of the molds, when filled, from the frame, thesidebar 3 is detachable from and adjustable upon the frame. This isefiected by means of stout threaded bolts 3 projecting from the ends ofthe end-members 1 and passing through holes in the bar 3, near theirends, there being on the outer end of each of the bolts a. stouthand-nut 3. By setting up these hand-nuts, the bar 3 is forcedpowerfully inwardly compressing the contacting sides of the series ofmolds into proper form and alinement. The concrete having been allowedto set sufliciently, the bar 3 is removed and the molds with theircontents are, one by one, removed from the frame and set uprigat upontheir larger ends. Now, owing to the taperform of the mold, the mold maybe slipped upwardly upon the hardening concrete and thus quickly andeasily disengaged from the tapered cast. This operation is aided by thetendency of the sides of the molds to spring away from the concrete whenreleased from the side-pressure of the bar 3. The advantage of thisconstruction of molds is that the molds and the posts may be separatedas soon as the post is sufiiciently set to support its own Weightendwise, instead of its being necessary to alloW heretofore, process iscompleted, 7 thus permitting the manufacture of a large number of postsby the use of a comparatively few molds.

the post to remain, as

Having described my invention, What I claim and desire to secure byLetters Patent 1s,-

1. Ina device of the described character,

a trough-like mold having resilient sides, a

support for the mold, and means for commold uniformly in the mold untilthe hardening and uniformly co pressing the sides pf the moldsthroughout their length.

3. In a device of the described character, a frame having a removableside, a series of trough-like sheet metal molds tapered from end to end,means for supporting the ends of the molds Within the frame with theirlarger and smaller ends in alternation, and means for the adjustment ofsaid removable side, whereby the sides of the series of molds may besimultaneously. and uniformly compressed throughout their length.

In testimony whereof I afliX my signature in presence of tWo witnesses.

" BERT o. BAKER.

Witnesses: V

GEO. E. REED, Asa M. SMITH.

Copies of this patent may be obtained for five cents each, by addresWashingtoml). G.

sing the Commissioner of Patents.

